The JBL Studio 650P is a high-performance powered subwoofer utilizing a front-firing 10-inch PolyPlas cone woofer with dual down-firing tuned ports. A 250Wrms amplifier provides the sonic impact and a full complement of inputs and controls make for easy system integration. The elegant cabinet design includes a magnetically attached grille and brings an element of sophistication to any room. The Studio 6 Series delivers big dynamics, detailed sound, and powerful bass for true high-fidelity sound.